Which layover airport has the shortest travel time from Chicago O'Hare Intl Airport to Bucharest?

Flights connecting via Warsaw (WAW) have the shortest average one-way travel time: 12h 10m.

What airlines fly to Bucharest?

Turkish Airlines, LOT and Lufthansa are the top three most popular airlines that fly to Bucharest from Chicago O'Hare Intl Airport according to our data. Turkish Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Bucharest. Keep in mind that there are 13 different airlines that fly to Bucharest on a routine basis, so you have a few additional options to choose from.

Which airport is the most popular layover for flights between Chicago O'Hare Intl Airport and Bucharest?

Istanbul (IST) was the most common stop: 36% of momondo users choosing 1-stop flights on this route connected there.

What is the cheapest airline that flies from Chicago O'Hare Intl to Bucharest?

Air Serbia, British Airways, and American Airlines are the most popular carriers operating from Chicago O'Hare Intl to Bucharest

Which layover airport offers the lowest fares from Chicago O'Hare Intl Airport to Bucharest?

Flights via Warsaw (WAW) offer the lowest average round-trip price of $595.

Which layover airport has the shortest connection time from Chicago O'Hare Intl Airport to Bucharest?

Warsaw (WAW) has the shortest average layover time for this route: 2h 04m.

How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Bucharest?

As of September 2025, there are 13 operators available to choose from for flights from Chicago O'Hare Intl Airport to Bucharest.

How old do you have to be to fly from Chicago O'Hare Intl Airport to Bucharest?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago O'Hare Intl Airport to Bucharest.

What documentation or ID do you need to fly to Bucharest?

The required travel and health documents for your Bucharest trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Bucharest. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$245 Cheap Flights from Chicago O'Hare Intl Airport to Bucharest in 2025/26

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Find the cheapest flights from Chicago O'Hare Intl Airport to Bucharest

Round-trip

One-way

Last minute

Cheap round-trip flights

10:55 pm - 11:15 pmORD-OTP

17h 20m1 stop

5:35 am - 9:00 pmOTP-ORD

22h 25m1 stop

$530LOT

Find Deal

Sat, Mar 14 - Sat, Mar 21

6:50 pm - 3:50 pmORD-OTP

13h 00m1 stop

1:05 pm - 6:25 pmOTP-ORD

13h 20m1 stop

$532

Find Deal

Wed, Dec 3 - Tue, Dec 16

1:00 pm - 12:30 pmORD-OTP

15h 30m2 stops

6:30 am - 4:20 pmOTP-ORD

17h 50m1 stop

$533

Find Deal

Tue, Nov 4 - Tue, Nov 18

9:45 pm - 7:35 pmORD-OTP

13h 50m1 stop

8:00 am - 6:45 pmOTP-ORD

18h 45m1 stop

$541British Airways

Find Deal

Sun, Nov 30 - Thu, Dec 18

5:10 pm - 7:35 pmORD-OTP

18h 25m1 stop

8:25 pm - 1:50 pmOTP-ORD

25h 25m1 stop

$553British Airways

Find Deal

Sun, Nov 30 - Mon, Dec 15

2:00 pm - 2:10 pmORD-OTP

16h 10m2 stops

5:55 am - 2:55 pmOTP-ORD

17h 00m2 stops

$558Air Canada

Find Deal

Fri, Nov 7 - Fri, Nov 14

1:05 pm - 2:00 pmORD-OTP

16h 55m2 stops

5:55 am - 3:20 pmOTP-ORD

17h 25m1 stop

$560United Airlines

Find Deal

Wed, Dec 3 - Tue, Dec 16

7:15 am - 3:45 pmORD-OTP

24h 30m2 stops

6:30 am - 8:00 pmOTP-ORD

21h 30m2 stops

$561Air Canada

Find Deal

Tue, Dec 2 - Tue, Dec 16

11:15 am - 1:55 pmORD-OTP

18h 40m2 stops

6:05 am - 3:20 pmOTP-ORD

17h 15m1 stop

$564United Airlines

Find Deal

Tue, Dec 2 - Wed, Dec 17

11:50 am - 3:10 pmORD-OTP

19h 20m2 stops

8:00 am - 7:20 pmOTP-ORD

19h 20m2 stops

$573American Airlines

Find Deal

Fri, Jan 9 - Fri, Jan 16

LOT flights from Chicago O'Hare Intl Airport to Bucharest

Our best LOT deals on Chicago O'Hare Intl Airport to Bucharest flight tickets

LOT

Mar 14

ORD10:55 pmChicago O'Hare Intl

17h 20m

1 stop

OTP11:15 pmBucharest Otopeni Intl

Mar 21

OTP5:35 amBucharest Otopeni Intl

22h 25m

1 stop

ORD9:00 pmChicago O'Hare Intl

$530

Find similar

LOT

Oct 16

ORD5:10 pmChicago O'Hare Intl

22h 00m

2 stops

OTP11:10 pmBucharest Otopeni Intl

Nov 1

OTP5:35 amBucharest Otopeni Intl

22h 25m

1 stop

ORD9:00 pmChicago O'Hare Intl

$535

Find similar

LOT

Oct 16

ORD5:10 pmChicago O'Hare Intl

22h 00m

2 stops

OTP11:10 pmBucharest Otopeni Intl

Nov 1

OTP5:35 amBucharest Otopeni Intl

22h 25m

1 stop

ORD9:00 pmChicago O'Hare Intl

$536

Find similar

British Airways flights from Chicago O'Hare Intl Airport to Bucharest

Our best British Airways deals on Chicago O'Hare Intl Airport to Bucharest flight tickets

British Airways

Nov 30

ORD9:45 pmChicago O'Hare Intl

13h 50m

1 stop

OTP7:35 pmBucharest Otopeni Intl

Dec 18

OTP8:00 amBucharest Otopeni Intl

18h 45m

1 stop

ORD6:45 pmChicago O'Hare Intl

$541

Find similar

British Airways

Nov 30

ORD5:10 pmChicago O'Hare Intl

18h 25m

1 stop

OTP7:35 pmBucharest Otopeni Intl

Dec 15

OTP8:25 pmBucharest Otopeni Intl

25h 25m

1 stop

ORD1:50 pmChicago O'Hare Intl

$553

Find similar

British Airways

Nov 30

ORD5:10 pmChicago O'Hare Intl

13h 45m

1 stop

OTP2:55 pmBucharest Otopeni Intl

Dec 13

OTP8:05 amBucharest Otopeni Intl

18h 40m

1 stop

ORD6:45 pmChicago O'Hare Intl

$556

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Bucharest that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 3/14

10:55 pm-11:15 pm

1 stop17h 20m

Bucharest Otopeni Intl

Sat 3/21

5:35 am-9:00 pm

1 stop22h 25m

$530

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 12/3

6:50 pm-3:50 pm

1 stop13h 00m

Bucharest Otopeni Intl

Tue 12/16

1:05 pm-6:25 pm

1 stop13h 20m

$532

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 11/4

1:00 pm-12:30 pm

2 stops15h 30m

Bucharest Otopeni Intl

Tue 11/18

6:30 am-4:20 pm

1 stop17h 50m

$533

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 11/30

9:45 pm-7:35 pm

1 stop13h 50m

Bucharest Otopeni Intl

Thu 12/18

8:00 am-6:45 pm

1 stop18h 45m

$541

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 11/30

5:10 pm-7:35 pm

1 stop18h 25m

Bucharest Otopeni Intl

Mon 12/15

8:25 pm-1:50 pm

1 stop25h 25m

$553

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Fri 11/7

2:00 pm-2:10 pm

2 stops16h 10m

Bucharest Otopeni Intl

Fri 11/14

5:55 am-2:55 pm

2 stops17h 00m

$558

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 12/3

1:05 pm-2:00 pm

2 stops16h 55m

Bucharest Otopeni Intl

Tue 12/16

5:55 am-3:20 pm

1 stop17h 25m

$560

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 12/2

7:15 am-3:45 pm

2 stops24h 30m

Bucharest Otopeni Intl

Tue 12/16

6:30 am-8:00 pm

2 stops21h 30m

$561

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 12/2

11:15 am-1:55 pm

2 stops18h 40m

Bucharest Otopeni Intl

Wed 12/17

6:05 am-3:20 pm

1 stop17h 15m

$564

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Fri 1/9

11:50 am-3:10 pm

2 stops19h 20m

Bucharest Otopeni Intl

Fri 1/16

8:00 am-7:20 pm

2 stops19h 20m

$573

Flights are sorted by cheapest round-trip flights first.

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How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Bucharest

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

What is the cheapest month to fly to Bucharest?

In general, November is the cheapest month to fly from Chicago O'Hare Intl Airport to Bucharest. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $545. If you aren’t able to travel to Bucharest during the month of November, then flying in December is also cheap. Prices for this month can be found on momondo for an average of $580.

What is the cheapest day to depart on your flight to Bucharest?

Our data shows that Monday is the least expensive day to fly to Bucharest. Tickets to fly out on this day can be as low as $748. The most expensive day to fly to Bucharest is Sunday, with ticket prices averaging around $991.

What is the cheapest time of day to depart on your flight to Bucharest?

According to our data, the cheapest time of day to fly to Bucharest is in the morning. momondo users have found flights departing from Chicago O'Hare Intl Airport to Bucharest in the morning for as low as $694. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Bucharest is at noon when prices are around $1,070.

How far in advance should I book a flight to Bucharest?

You are more likely to see cheaper flights to Bucharest from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Bucharest for around $722 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bucharest from Chicago O'Hare Intl Airport for as low as $634 on momondo.

When to book flights from Chicago O'Hare Intl Airport to Bucharest

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Bucharest according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Chicago O'Hare Intl Airport to Bucharest (ORD to BUH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Bucharest

Direct flights	None

There are no direct flights from Chicago O'Hare Intl Airport to Bucharest. There are no popular flight routes from Chicago O'Hare Intl Airport to Bucharest.

Search flight deals

How far is Chicago O'Hare Intl to Bucharest by plane?
A flight from Chicago O'Hare Intl to Bucharest will travel around 5205.0 mi. Flights usually cover this in 11h 45m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Bucharest?
Prices for flights from Chicago O'Hare Intl Airport to Bucharest are updated daily.
How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Bucharest?
As of September 2025, there are 13 operators available to choose from for flights from Chicago O'Hare Intl Airport to Bucharest.
How old do you have to be to fly from Chicago O'Hare Intl Airport to Bucharest?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago O'Hare Intl Airport to Bucharest.
What documentation or ID do you need to fly to Bucharest?
The required travel and health documents for your Bucharest trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Bucharest. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Chicago O'Hare Intl Airport to Bucharest?
Based on momondo bookings for flights between Chicago O'Hare Intl Airport and Bucharest, the leading airline is Turkish Airlines, making up 22% of the total bookings. Other popular airlines include British Airways with 17%, LOT with 17%, and Lufthansa with 15%.

Best airlines flying from Chicago O'Hare Intl Airport to Bucharest

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Bucharest with momondo

Airline	Rating	Free Cancellation	Price
Scandinavian Airlines	PriceFrom $385	Free Cancellation	Rating 7.4 1,484 reviews	Search Scandinavian Airlines flights
Turkish Airlines	PriceFrom $503	Free Cancellation	Rating 7.3 3,968 reviews	Search Turkish Airlines flights
Austrian Airlines	PriceFrom $517	Free Cancellation	Rating 7.6 850 reviews	Search Austrian Airlines flights
LOT	PriceFrom $533	Free Cancellation	Rating 7.6 1,114 reviews	Search LOT flights
British Airways	PriceFrom $544	Free Cancellation	Rating 6.6 7,361 reviews	Search British Airways flights
Lufthansa	PriceFrom $545	Free Cancellation	Rating 6.8 7,407 reviews	Search Lufthansa flights
Air France	PriceFrom $580	Free Cancellation	Rating 7.4 1,469 reviews	Search Air France flights
KLM	PriceFrom $582	Free Cancellation	Rating 7.8 1,385 reviews	Search KLM flights
SWISS	PriceFrom $587	Free Cancellation	Rating 7.5 1,730 reviews	Search SWISS flights
United Airlines	PriceFrom $588	Free Cancellation	Rating 7.4 8,929 reviews	Search United Airlines flights

Otopeni

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Bucharest?

It is quick and easy to find Chicago to Bucharest flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Bucharest that suits you.

Can I find flights from Chicago to Bucharest with flexible booking policies on momondo?

Flights from Chicago to Bucharest with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Chicago to Bucharest?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Bucharest from Chicago.

I’m not ready to book a flight from Chicago to Bucharest right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Chicago to Bucharest flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Bucharest trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Fly into one of these airports located in Bucharest

Bucharest Otopeni Intl Airport

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Cheap flights from Chicago O'Hare Intl Airport to Bucharest from $245

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Big names and deals

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Find the cheapest flights from Chicago O'Hare Intl Airport to Bucharest

Cheap round-trip flights

Cheap one-way flights

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LOT flights from Chicago O'Hare Intl Airport to Bucharest

Our best LOT deals on Chicago O'Hare Intl Airport to Bucharest flight tickets

British Airways flights from Chicago O'Hare Intl Airport to Bucharest

Our best British Airways deals on Chicago O'Hare Intl Airport to Bucharest flight tickets

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How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Bucharest

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Bucharest?

What is the cheapest day to depart on your flight to Bucharest?

Our data shows that Monday is the least expensive day to fly to Bucharest. Tickets to fly out on this day can be as low as $748. The most expensive day to fly to Bucharest is Sunday, with ticket prices averaging around $991.

What is the cheapest time of day to depart on your flight to Bucharest?

How far in advance should I book a flight to Bucharest?

What is the cheapest airline that flies from Chicago O'Hare Intl to Bucharest?

Air Serbia, British Airways, and American Airlines are the most popular carriers operating from Chicago O'Hare Intl to Bucharest

What airlines fly to Bucharest?

Which airport is the most popular layover for flights between Chicago O'Hare Intl Airport and Bucharest?

Istanbul (IST) was the most common stop: 36% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Chicago O'Hare Intl Airport to Bucharest?

Flights via Warsaw (WAW) offer the lowest average round-trip price of $595.

Which layover airport has the shortest travel time from Chicago O'Hare Intl Airport to Bucharest?

Flights connecting via Warsaw (WAW) have the shortest average one-way travel time: 12h 10m.

Which layover airport has the shortest connection time from Chicago O'Hare Intl Airport to Bucharest?

Warsaw (WAW) has the shortest average layover time for this route: 2h 04m.

When to book flights from Chicago O'Hare Intl Airport to Bucharest

Cheap Chicago O'Hare Intl Airport to Bucharest (ORD to BUH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Bucharest

Direct flights

How far is Chicago O'Hare Intl to Bucharest by plane?

When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Bucharest?

How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Bucharest?

How old do you have to be to fly from Chicago O'Hare Intl Airport to Bucharest?

What documentation or ID do you need to fly to Bucharest?

What is the most popular airline from Chicago O'Hare Intl Airport to Bucharest?

Best airlines flying from Chicago O'Hare Intl Airport to Bucharest

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Bucharest with momondo

Traveling to a place near Bucharest?

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Bucharest?

Can I find flights from Chicago to Bucharest with flexible booking policies on momondo?

How can momondo help me find flights from Chicago to Bucharest?

I’m not ready to book a flight from Chicago to Bucharest right now. Can momondo alert me if prices change?

An easier way to manage your Bucharest trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Romania

Fly into one of these airports located in Bucharest

Airports listed have a maximum distance of 9.6 mi from Bucharest